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Thanks for the input and recommendations. I used a fine 3 stone hone and put a nice cross hatching on the cylinder. Cleaned, then cleaned some more, then cleaned even more. Installed the NOS std. bore piston and ring set. Compression check showed 110 psi. Ran it for 10 min varying loads...

Thank you. My concern is with the notation in the Briggs manual which states not to hone or remove glaze, but is mentioned in conjunction with the use of chrome rings.

1980 Briggs 3hp horizontal shaft go kart engine. Have been reading many threads on whether or not to hone, most say no. I'm reviving my childhood go kart and got the engine running and although no smoke, it is fouling plugs and there is oil on top of the piston. Tore it down and found the...